Node_exporter: Docker image prom/node-exporter:v0.15.0 not working

[boeboe]

I upgraded prom/node-exporter:v0.14.0 to prom/node-exporter:v0.15.0 on my kubernetes cluster and get the following start-up error and CrashLoopBackOff:

node_exporter: error: unknown short flag '-c', try --help

My kubernetes _daemonset_ yaml definition:

apiVersion: extensions/v1beta1
kind: DaemonSet
metadata:
  name: prometheus-node-exporter
  labels:
    name: prometheus-node-exporter
spec:
  updateStrategy:
    type: RollingUpdate
    rollingUpdate:
      maxUnavailable: 50%
  template:
    metadata:
      labels:
        name: prometheus-node-exporter
      annotations:
         prometheus.io/scrape: "true"
         prometheus.io/port: "9100"
    spec:
      serviceAccountName: cluster-reader
      hostPID: true
      hostIPC: true
      hostNetwork: true
      containers:
        - ports:
            - containerPort: 9100
              name: node-exporter
              protocol: TCP
          resources:
            requests:
              cpu: 10m
              memory: 32Mi
            limits:
              cpu: 100m
              memory: 64Mi
          securityContext:
              privileged: true
          image: prom/node-exporter:v0.15.0
          args:
            - -collector.procfs
            - /host/proc
            - -collector.sysfs
            - /host/sys
            - -collector.filesystem.ignored-mount-points
            - '"^/(sys|proc|dev|host|etc)($|/)"'
          name: prometheus-node-exporter
          volumeMounts:
            - name: dev
              mountPath: /host/dev
            - name: proc
              mountPath: /host/proc
            - name: sys
              mountPath: /host/sys
            - name: rootfs
              mountPath: /rootfs
      volumes:
        - name: proc
          hostPath:
            path: /proc
        - name: dev
          hostPath:
            path: /dev
        - name: sys
          hostPath:
            path: /sys
        - name: rootfs
          hostPath:
            path: /

[grobie]

As stated in the release notes, the flags have changed. Please check node_exporter --help and adjust your Kubernetes config accordingly.

[boeboe]

Thanks @grobie

Fixed by applying the following changes:

image: prom/node-exporter:v0.15.0
args:
  - --path.procfs
  - /host/proc
  - --path.sysfs
  - /host/sys
  - --collector.filesystem.ignored-mount-points
  - '"^/(sys|proc|dev|host|etc)($|/)"'

Thanks for pointing me to the release notes!